This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Of the many Jesuit missions in South America, this complex is one of the best preserved.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An urban laboratory.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Don't blink or you'll miss it.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

A spiritual vortex among the red rocks in Sedona.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

Taos Pueblo recipes, foraged ingredients, and outdoor ovens define the menu at this eatery.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The highest point in Texas is capped by a big silver pyramid.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

A serene garden path lined with 36 haiku stamped into clay stones.